Seiko Cal. 6616 - 766

The Seiko 6616-766 represents an important milestone in Seiko's 1972 lineup. Powered by the 6616 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-a25649114678]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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